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| Criterion |  Decision Making Trade-off Analysis |  UX Research User Interviews |  UX Research Affinity Diagramming |  Decision Making Constraint Analysis |
|---|---|---|---|---|
Purposedifferent | With limited resources, quality, speed, cost, and risk almost always compete with each other. Trade-off Analysis makes these tensions explicit and prevents decisions from producing hidden side effects. | When teams derive needs only from assumptions and real motives are missing, user interviews give direct access to behavior and meaning. Conversations from the target group's everyday life make patterns, tensions, and open questions solidly visible. | When research notes, feedback, or observations sit unconnected side by side, affinity diagramming sorts the raw material into solid themes. Many individual points turn into patterns that make decisions and opportunities clearer. | When an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 45-120 min | 30–60 min per interview | 45–90 min | 30-90 min |
Participantsdifferent | 2-8 | 1 participant per interview | 3-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Trade-off Matrix, Criteria List, Decision Rationale, Accepted Downsides | Interview Notes, Themes, Insight Summary | Theme clusters, Insight statements, Opportunity areas | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries |
Tagsno overlap | TradeoffsDecisionCriteriaOptions | QualitativeResearchCustomerDiscovery | SynthesisQualitativeRoot cause | ConstraintsDecisionPlanningOptions |